This autumn, the 10th of October 2017 marks 15 years since the Corruption Prevention and Combatting Bureau of Latvia (KNAB) started its operation. In honour of this event Latvijas Pasts has released a new stamp and a cover. The first day cancellation of the stamp is scheduled to take place in Tallink Hotel Riga at 24 Elizabetes Street from 9 AM to 5 PM on the 10th of October, the day when the KNAB was established.